David Hao, MD

Depth of Anesthesia

Education EN ↓ 41 episodes

Depth of Anesthesia is a podcast that critically explores dogmatic practices (we call them claims) in anesthesiology. Join us as we explore the literature around the latest clinical controversies!

Author

David Hao, MD

Category

Education

Podcast website

depthofanesthesia.com

Latest episode

Oct 26, 2025

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Episodes

41: Do pulmonary artery catheters improve outcomes in cardiac surgery? 26.10.2025

Dr. Taylor Thomas and Dr. Matt Vanneman join the podcast to discuss the evidence on whether pulmonary artery catheters improve outcomes in cardiac surgery. Dr. Thomas is a dual obstetric and adult cardiothoracic anesthesia fellow at MGH and recent graduate of the anesthesia residency program. Dr. Vanneman is a Clinical Associate Professor in the Department of Anesthesiology, Perioperative and Pain...

40: Are peripartum opioids safe for breastfeeding mothers? 09.04.2025

Dr. Gopika Hari and Dr. Lana Joudeh join the podcast to discuss the literature on the safety of peripartum opioid use and its implications for breastfeeding. Dr. Hari is an anesthesia resident in the MGH Anesthesia Residency Program and a graduate of Washington University School of Medicine in St. Louis. Dr. Joudeh completed her anesthesia residency at Massachusetts General Hospital and is current...

39: Should opioid-free anesthesia be implemented? A Pro-Con Debate. 10.01.2025

Dr. Mary Daniels and Dr. Scott Cao join the show to discuss the literature surrounding opioid-free versus opioid-based anesthesia and analgesia techniques. Dr. Scott Cao is currently serving as a chief resident of the MGH anesthesia residency program. He is a graduate of the University of Colorado School of Medicine. Dr. Mary Daniels is a graduate of Harvard Medical School and she is a resident in...

38: Does remifentanil cause opioid-induced hyperalgesia? 23.09.2024

Dr. Jess Hawkins joins the show to discuss the literature pertaining to remifentanil and opioid-induced hyperalgesia. Dr. Hawkins is an anesthesia resident at the Massachusetts General Hospital. This podcast was recorded as part of the Depth of Anesthesia podcast elective. Thanks for listening! If you enjoy our content, leave a 5-star review on Apple Podcasts and share our content with your collea...

37: Should intraoperative dexamethasone be avoided in patients with diabetes mellitus? 01.05.2024

Dr. Caroline Andrew and Dr. David Nathan join the show to discuss the literature pertaining to intraoperative administration of dexamethasone. Dr. Caroline Andrew is an anesthesia resident at the Massachusetts General Hospital. Dr. David Nathan is the Director of the Diabetes Center at Massachusetts General Hospital and Professor of Medicine at Harvard Medical School.  This podcast was recorded as...

36. Does tranexamic acid increase the risk of thromboembolism? 06.12.2023

Dr. Zach Cost and Dr. Tem Bendapudi join the show to discuss the literature pertaining to tranexamic acid and thromboembolic risk. Dr. Zach Cost is an anesthesia resident at the Massachusetts General Hospital. Dr. Pavan ("Tem") Bendapudi holds a joint faculty appointment in the Division of Hematology and Blood Transfusion Service and is assistant professor of medicine at Harvard Medical School. Th...

35. Does spinal anesthesia decrease the risk of postoperative delirium? 30.07.2023

Dr. Mark Neuman and Dr. Sam Falkson join the show to discuss the literature around risks of regional versus general anesthesia for postoperative delirium. Dr. Neuman is the founding Director of the Center for Perioperative Outcomes Research and Transformation and Professor of Anesthesiology at Penn Medicine. Dr. Sam Falkson is an anesthesia resident at the Massachusetts General Hospital. This podc...

34. Are double lumen endotracheal tubes superior to bronchial blockers? 02.04.2023

Dr. Nick Kumar and Dr. Andy Siemens from the Massachusetts General Hospital anesthesia residency join the show to discuss the literature comparing double lumen endotracheal tubes and bronchial blockers. Dr. Dan Saddawi-Konefka joins as our faculty expert - special thanks to Dan for supporting the ongoing Depth of Anesthesia podcast elective. Thanks for listening! If you enjoy our content, leave a...

33. Do perioperative gabapentinoids decrease postoperative pain? 04.01.2023

It's our first solo episode! We review the evidence around perioperative use of gabapentinoids (gabapentin and pregabalin) and discuss interesting concepts including trial sequential analysis and minimally important difference. If you enjoy our content, leave a 5-star review on Apple Podcasts and share our content with your colleagues.  — Follow us on Instagram @DepthofAnesthesia and on Twitter @D...

32: Do LMAs increase the risk of aspiration compared to ETTs? - Part II of II 18.10.2022

Dr. Chris Di Capua and Dr. Bryan Glezerson (@BryanGlezerson) join the show to discuss the literature around the risk of aspiration with LMAs compared to ETTs. This is an episode produced from the Depth of Anesthesia Podcast Elective that's available to MGH anesthesia residents. Special thanks to Dr. Saddawi-Konefka for supporting the initiative. Thanks for listening! If you enjoy our content, leav...

31: Do LMAs increase the risk of aspiration compared to ETTs? - Part I of II 10.08.2022

Dr. Chris Di Capua and Dr. Bryan Glezerson (@BryanGlezerson) join the show to discuss the literature around the risk of aspiration with LMAs compared to ETTs. This is part I of a two-part series on LMAs. In part II, we discuss the safety of LMAs in specific patient populations including patients receiving positive pressure ventilation, patients undergoing laparoscopic surgery, obese patients, and...

30: Live from the IARS Annual Meeting - Part II of II 23.05.2022

In this special two-part series, we record a live episode at the International Anesthesia Research Society meeting. Dr. Dan Saddawi-Konefka and I revisit a question from our very first Depth of Anesthesia episode: is it necessary to confirm mask ventilation before paralyzing? Supporting graphics are available at  depthofanesthesia.com  and on our Instagram @DepthofAnesthesia. Special thanks to Dr....

29: Live from the IARS Annual Meeting - Part I of II 10.05.2022

In this special two-part series, we record a live episode at the International Anesthesia Research Society meeting. Dr. Dan Saddawi-Konefka and I revisit a question from our very first Depth of Anesthesia episode: is it necessary to confirm mask ventilation before paralyzing? Supporting graphics are available at depthofanesthesia.com and on our Instagram @DepthofAnesthesia. Special thanks to Dr. S...

28: What is the infectious risk of arterial catheters? 11.03.2022

Dr. Ben Weaver and Dr. Elisa Walsh (@elisacwalsh) from Massachusetts General Hospital join the show to discuss the literature around the infectious risk of arterial catheters and the role of barrier precautions. This is the first episode produced from a new podcast elective that's available to MGH anesthesia residents. Special thanks to Dr. Saddawi-Konefka for supporting the initiative. Thanks for...

27: Does BIS monitoring reduce accidental awareness during general anesthesia? 10.01.2022

Dr. Bryan Glezerson (@BryanGlezerson), a neuroanesthesiologist in Montreal, Canada, joins the show to discuss the literature around BIS monitoring and awareness with recall under general anesthesia. Special thanks to Dr. Ashwini Joshi for her assistance with researching for the episode.  Thanks for listening! If you enjoy our content, leave a 5-star review on Apple Podcasts and consider helping us...

26: Should buprenorphine be discontinued preoperatively? 29.07.2021

Dr. Tony Anderson, an anesthesiologist at the Stanford University School of Medicine, joins us to discuss the evolving literature and evidence around perioperative management of buprenorphine. Special thanks to Dr. Ashwini Joshi for her assistance with researching for the episode.  Thanks for listening! If you enjoy our content, leave a 5-star review on Apple Podcasts and consider helping us offse...

25: Should stress-dose steroids be given? 08.06.2021

In this episode, Dr. Jonathan Charnin and Dr. Daniel Saddawi-Konefka join us to explore the evidence around perioperative stress dose steroids and adrenal insufficiency. Thanks for listening! If you enjoy our content, leave a 5-star review on Apple Podcasts and consider helping us offset the costs of production by donating through our Patreon at https://bit.ly/3n0sklh . -- Follow us on Instagram @...

24: Is low flow anesthesia with sevoflurane safe? 27.04.2021

In this episode, Dr. Ross Kennedy and Dr. Cas Woinarski join us to discuss the evidence on whether low-flow anesthesia with sevoflurane is safe. We discuss Compound A generation and nephrotoxicity. This episode was made possible through production and research support from Davies Agyekum, MD, PhD.  Thanks for listening! If you enjoy our content, consider helping us offset the costs of production b...

23: What is the data on COVID-19 vaccines? + FAQ 30.03.2021

In this episode, Dr. Adam Flaczyk from Massachusetts General Hospital joins us to summarize the data on the latest COVID-19 vaccines and to answer frequently asked questions. Frequently asked questions start at 30:03 including: What is the data on side effects? What is the potential for anaphylaxis? Any data on use of antipyretics or NSAIDS with vaccination? — Thanks for listening! If you enjoy ou...

22: Is evidence-based medicine easy? 16.03.2021

In this special episode, Dr. Justin Morgenstern of First10EM joins us to discuss a 6-step approach to primary literature. His strategy will give you the tools to feel more comfortable with taking an active role in reading and critically evaluating the literature. Step 1: How do I find a paper to read? Step 2: Is this paper worth reading? Step 3: Read the paper Step 4: Interpret the paper (stats ar...

21: Should smaller endotracheal tubes be used for elective surgery? 16.02.2021

In this episode, we explore the evidence on whether smaller endotracheal tubes are... 1. Less likely to maintain a secure patent airway 2. Less reliable in facilitating positive pressure ventilation 3. Less able to seal the trachea and protect the lungs from aspiration We also discuss the potential harms associated with larger endotracheal tubes.  Our guests are Dr. Shamir Karmali and Dr. Peter Ro...

20: Do lower intraoperative tidal volumes reduce postoperative pulmonary complications? 11.12.2020

In this episode, we explore the evidence on whether lower intraoperative tidal volumes (e.g., 6 vs. 9 cc/kg) reduce postoperative pulmonary complications. Our guest is Dr. Avery Tung. Dr. Tung is Professor of Anesthesia & Critical Care at the University of Chicago and Section Editor for Critical Care & Resuscitation for Anesthesia & Analgesia. Thanks for listening! If you enjoy our content, consid...

19: Is hydrocortisone, ascorbic acid (Vitamin C), and thiamine therapy effective for treatment of sepsis? 11.11.2020

In this episode, we discuss the role of hydrocortisone, ascorbic acid (Vitamin C) and thiamine (HAT therapy) in the treatment of patients with septic shock. We discuss biological plausibility and comprehensively review the latest evidence. Our guest is Dr. Jonathan Charnin. Dr. Charnin is an assistant professor of anesthesiology in the Divisions of Multi-specialty Anesthesia and Critical Care Medi...

18: Is mixing in lidocaine effective for preventing burning with propofol? 07.10.2020

In this episode, we discuss the mechanisms of burning with propofol infusion and explore the evidence behind strategies like mixing lidocaine with propofol. Our guest today is Dr. Stu Forman, Professor of Anesthesiology at Massachusetts General Hospital. He is an investigator on several NIH-sponsored basic research grants and co-director of the Harvard Anesthesia Research Training Fellowship. Conn...

17: Is it important to reverse to a train-of-four target of 90%? - Part 2 of 2 09.09.2020

In this part II or II series on neuromuscular blockade, we investigate the claim that a train-of-four target of 90% is important to achieve prior to extubation. Our guest today is Dr. Daniel Saddawi-Konefka, residency program director at Mass General. Connect with us @DepthAnesthesia on Twitter or email us at depthofanesthesia@gmail.com. Thanks for listening! Please rate us on iTunes and share wit...

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